What is Sniffnet?
Sniffnet is an application to comfortably monitor your network traffic. It is free, open-source software with a graphical interface. You pick a network adapter, apply filters to the observed traffic, and watch statistics and real-time charts.
For each connection Sniffnet can show the domain name and ASN of the remote host, its geographical location, and the service or protocol involved. It identifies more than 6000 upper layer services, protocols, trojans and worms, and shows which programs are generating network bandwidth. IP geolocation and ASN data are provided by MaxMind.
Capture reports can be imported and exported as PCAP files, and custom IP blacklists can be imported to highlight potentially dangerous connections. The interface is built with iced, a cross-platform GUI library for Rust. Downloads cover Windows, macOS, Linux DEB, RPM and AppImage packages, and the Windows installer is code-signed through SignPath.io. You can keep watching the network while the application is minimized and save favorite hosts, services and programs. To analyze a network adapter you must also install the required dependencies for your operating system.
Key capabilities
- Adapter selection and traffic filters
- Overall statistics and real-time charts of traffic intensity
- Domain name, ASN and geographical location of remote hosts
- Identification of 6000+ services, protocols, trojans and worms
- Per-program bandwidth attribution
- PCAP import and export, IP blacklists and custom notifications
Where Sniffnet fits
- Traffic inspection by network adapter and filter
- Host enrichment with domain, ASN and location
- Service and protocol identification
- Program-level bandwidth view
- Notifications for defined network events
- Capture reports as PCAP files
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